package com.yogurt.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.yogurt.servicebase.handler.MyException;
import com.yogurt.vod.service.VodService;
import com.yogurt.vod.utils.AliyunVodSDKUtils;
import com.yogurt.vod.utils.ConstantPropertiesUtil;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * @Auther: 酸奶
 * @Date: 2020/08/26 20:37
 * @Description: 视频上传实现类
 */
@Service
public class VodServiceImpl implements VodService {
    //上传视频到阿里云
    @Override
    public String uploadVideo(MultipartFile file) {


        try {
            String fileName = file.getOriginalFilename();
            String title = fileName.substring(0,fileName.lastIndexOf("."));

            InputStream inputStream = null;
            inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(ConstantPropertiesUtil.ACCESS_KEY_ID,
                    ConstantPropertiesUtil.ACCESS_KEY_SECRET,
                    title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);
            System.out.print("RequestId=" + response.getRequestId() + "\n");  //请求视频点播服务的请求ID

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
                //System.out.print("VideoId=" + response.getVideoId() + "\n");
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                //System.out.print("VideoId=" + response.getVideoId() + "\n");
                //System.out.print("ErrorCode=" + response.getCode() + "\n");
                //System.out.print("ErrorMessage=" + response.getMessage() + "\n");
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    //根据视频id删除阿里云中的视频
    @Override
    public boolean deleteVideo(String id) {
        try {
            //初始化对象
            DefaultAcsClient client = AliyunVodSDKUtils.initVodClient(ConstantPropertiesUtil.ACCESS_KEY_ID, ConstantPropertiesUtil.ACCESS_KEY_SECRET);
            //创建删除视频的request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            //想request中设置删除视频的id
            request.setVideoIds(id);
            //调用初始化对象的方法进行删除
            client.getAcsResponse(request);
            return true;
        } catch (ClientException e) {
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败");
        }
    }

    //批量删除阿里云中的视频
    @Override
    public boolean deleteBatchVideo(@RequestParam("ids") List<String> ids) {
        try {
            //初始化对象
            DefaultAcsClient client = AliyunVodSDKUtils.initVodClient(ConstantPropertiesUtil.ACCESS_KEY_ID, ConstantPropertiesUtil.ACCESS_KEY_SECRET);
            //创建删除视频的request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            String videoSourceIds = StringUtils.join(ids.toArray(), ",");

            //想request中设置删除视频的id,多个id之间用逗号分隔开
            request.setVideoIds(videoSourceIds);
            //调用初始化对象的方法进行删除
            client.getAcsResponse(request);
            return true;
        } catch (ClientException e) {
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败");
        }
    }


}
